Are These the 40 Greatest Nature Photographs of All Time?

The so-called 40 greatest nature photographs of all time go on sale today at Christie’s, here in New York, a collection chosen by the International League of Conservation Photographers. A few more of my favorites, after the jump.

When I was eight years old, I wanted to be a “polar bear-ologist.” I even went and interviewed the polar bear keeper at the Toronto Zoo (god, I used to have such initiative). So the two images of polar bears in this collection are definitely my favorites… Here’s another: